The Magic. My son Daniel and his girlfriend went to a hip hop dance class. Daniel went with some trepidation since he felt a bit shy and did not know what to expect. The instructor started the class by pointing to something he had written on a blackboard. It was a box...

You have a craving for ice cream. So you go out late one night and bring home a container of Talenti Gelato. At home, you discover you can’t unscrew the top, even after trying for many hours. I’ll use this situation and others to help illustrate patterns that study...